Alaska earthquakes

M1.6 earthquake 57 km W of Akhiok, Alaska

A magnitude 1.6 earthquake struck 57 km W of Akhiok, Alaska on Thu, Aug 19, 2021, 4:59 AM AKDT (12:59 UTC), 53 km (33 mi) below the surface.

A larger quake followed: M3.5 105 km WSW of Akhiok, Alaska. This one was a foreshock.

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Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
1.6 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2021-08-19 12:59:44 UTC
Depth
53.4 km (33.2 mi), shallow
Epicenter
56.858° N, 155.095° W
Region
Alaska
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Stations used
21

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 99 in the 60 days after this one and 63 in the 30 days before it.

After

  1. 2.297 km W of Akhiok, Alaska · 1869 days ago · 79 km deep · 44 km away
  2. 1.558 km WNW of Akhiok, Alaska · 1869 days ago · 56 km deep · 31 km away
  3. 2.5Alaska Peninsula · 1868 days ago · 72 km deep · 50 km away
  4. 1.962 km WNW of Akhiok, Alaska · 1868 days ago · 57 km deep · 27 km away
  5. 2.381 km W of Karluk, Alaska · 1868 days ago · 6 km deep · 98 km away
  6. 1.9Alaska Peninsula · 1867 days ago · 87 km deep · 81 km away
  7. 2.155 km SW of Akhiok, Alaska · 1867 days ago · 66 km deep · 39 km away
  8. 1.677 km SE of Ugashik, Alaska · 1866 days ago · 78 km deep · 89 km away
  9. 1.773 km ESE of Ugashik, Alaska · 1866 days ago · 80 km deep · 83 km away
  10. 2.2111 km SE of Ugashik, Alaska · 1866 days ago · 67 km deep · 64 km away
  11. 1.792 km ESE of Ugashik, Alaska · 1864 days ago · 20 km deep · 65 km away
  12. 1.9Kodiak Island region, Alaska · 1864 days ago · 56 km deep · 63 km away
  13. 2.1119 km SSE of Ugashik, Alaska · 1864 days ago · 73 km deep · 93 km away
  14. 2.396 km ESE of Ugashik, Alaska · 1863 days ago · 9 km deep · 61 km away
  15. 1.986 km ESE of Ugashik, Alaska · 1863 days ago · 2 km deep · 72 km away
  16. 1.588 km ESE of Ugashik, Alaska · 1863 days ago · 1 km deep · 68 km away
  17. 1.6111 km W of Akhiok, Alaska · 1863 days ago · 12 km deep · 54 km away
  18. 2.421 km SW of Larsen Bay, Alaska · 1862 days ago · 40 km deep · 80 km away
  19. 2.893 km ESE of Ugashik, Alaska · 1862 days ago · 4 km deep · 64 km away
  20. 2.137 km WSW of Karluk, Alaska · 1859 days ago · 72 km deep · 61 km away
  21. 1.57 km WNW of Karluk, Alaska · 1859 days ago · 51 km deep · 87 km away
  22. 1.957 km SW of Akhiok, Alaska · 1859 days ago · 32 km deep · 28 km away
  23. 1.873 km W of Karluk, Alaska · 1858 days ago · 80 km deep · 96 km away
  24. 2.290 km S of Akhiok, Alaska · 1857 days ago · 29 km deep · 90 km away
  25. 1.957 km SW of Karluk, Alaska · 1857 days ago · 46 km deep · 42 km away
  26. 1.975 km SE of Ugashik, Alaska · 1856 days ago · 3 km deep · 84 km away
  27. 1.880 km W of Karluk, Alaska · 1856 days ago · 6 km deep · 95 km away
  28. 1.75 km N of Karluk, Alaska · 1855 days ago · 47 km deep · 93 km away
  29. 1.798 km ESE of Ugashik, Alaska · 1855 days ago · 67 km deep · 59 km away
  30. 1.831 km E of Akhiok, Alaska · 1855 days ago · 31 km deep · 88 km away
  31. 1.5Alaska Peninsula · 1855 days ago · 5 km deep · 90 km away
  32. 1.574 km WSW of Karluk, Alaska · 1855 days ago · 71 km deep · 52 km away
  33. 1.8124 km SE of Ugashik, Alaska · 1855 days ago · 68 km deep · 74 km away
  34. 1.659 km SE of Akhiok, Alaska · 1854 days ago · 2 km deep · 99 km away
  35. 2.080 km SE of Ugashik, Alaska · 1853 days ago · 2 km deep · 84 km away
  36. 1.585 km SE of Ugashik, Alaska · 1853 days ago · 14 km deep · 81 km away
  37. 1.776 km W of Karluk, Alaska · 1853 days ago · 35 km deep · 87 km away
  38. 1.690 km WSW of Akhiok, Alaska · 1853 days ago · 7 km deep · 33 km away
  39. 3.5105 km WSW of Akhiok, Alaska · 1852 days ago · 70 km deep · 55 km away
  40. 1.732 km S of Karluk, Alaska · 1852 days ago · 43 km deep · 57 km away
  41. 1.771 km WSW of Karluk, Alaska · 1851 days ago · 61 km deep · 54 km away
  42. 1.953 km SW of Karluk, Alaska · 1851 days ago · 61 km deep · 37 km away
  43. 2.4102 km W of Akhiok, Alaska · 1850 days ago · 12 km deep · 46 km away
  44. 2.4101 km W of Akhiok, Alaska · 1850 days ago · 14 km deep · 44 km away
  45. 2.0Alaska Peninsula · 1848 days ago · 7 km deep · 93 km away
  46. 2.035 km SSE of Akhiok, Alaska · 1845 days ago · 26 km deep · 76 km away
  47. 1.7105 km W of Akhiok, Alaska · 1845 days ago · 29 km deep · 49 km away
  48. 1.718 km NW of Karluk, Alaska · 1844 days ago · 53 km deep · 94 km away
  49. 1.671 km SE of Ugashik, Alaska · 1842 days ago · 1 km deep · 88 km away
  50. 2.026 km WNW of Karluk, Alaska · 1842 days ago · 70 km deep · 89 km away
  51. 1.860 km ESE of Ugashik, Alaska · 1841 days ago · 3 km deep · 97 km away
  52. 1.995 km ESE of Ugashik, Alaska · 1841 days ago · 17 km deep · 62 km away
  53. 1.676 km ESE of Ugashik, Alaska · 1841 days ago · 29 km deep · 82 km away
  54. 2.462 km SSW of Akhiok, Alaska · 1840 days ago · 45 km deep · 65 km away
  55. 2.154 km W of Akhiok, Alaska · 1839 days ago · 7 km deep · 4 km away
  56. 2.7118 km WSW of Akhiok, Alaska · 1838 days ago · 8 km deep · 62 km away
  57. 2.394 km SW of Karluk, Alaska · 1838 days ago · 75 km deep · 44 km away
  58. 1.646 km WSW of Karluk, Alaska · 1832 days ago · 35 km deep · 69 km away
  59. 1.843 km WSW of Akhiok, Alaska · 1831 days ago · 46 km deep · 19 km away
  60. 2.247 km SW of Karluk, Alaska · 1830 days ago · 45 km deep · 46 km away

The first 60 of 99.

Before

  1. 1.663 km WSW of Akhiok, Alaska · 1869 days ago · 6 km deep · 23 km away
  2. 1.8118 km ENE of Chignik, Alaska · 1869 days ago · 79 km deep · 95 km away
  3. 2.431 km SW of Akhiok, Alaska · 1870 days ago · 9 km deep · 33 km away
  4. 3.398 km WSW of Akhiok, Alaska · 1871 days ago · 67 km deep · 47 km away
  5. 1.520 km WNW of Karluk, Alaska · 1871 days ago · 74 km deep · 88 km away
  6. 1.763 km ESE of Ugashik, Alaska · 1873 days ago · 1 km deep · 94 km away
  7. 2.940 km SW of Karluk, Alaska · 1875 days ago · 51 km deep · 51 km away
  8. 1.630 km SSW of Karluk, Alaska · 1877 days ago · 10 km deep · 59 km away
  9. 1.630 km N of Akhiok, Alaska · 1877 days ago · 8 km deep · 72 km away
  10. 1.7100 km SE of Ugashik, Alaska · 1877 days ago · 12 km deep · 62 km away
  11. 1.8102 km SE of Ugashik, Alaska · 1877 days ago · 9 km deep · 61 km away
  12. 1.660 km SE of Ugashik, Alaska · 1879 days ago · 5 km deep · 98 km away
  13. 2.174 km W of Karluk, Alaska · 1881 days ago · 15 km deep · 79 km away
  14. 2.266 km SE of Ugashik, Alaska · 1881 days ago · 1 km deep · 92 km away
  15. 1.865 km SE of Ugashik, Alaska · 1882 days ago · 1 km deep · 92 km away
  16. 1.866 km SE of Ugashik, Alaska · 1883 days ago · 10 km deep · 91 km away
  17. 2.463 km SE of Ugashik, Alaska · 1883 days ago · 5 km deep · 94 km away
  18. 2.010 km ESE of Karluk, Alaska · 1883 days ago · 57 km deep · 89 km away
  19. 2.063 km SE of Ugashik, Alaska · 1883 days ago · 11 km deep · 95 km away
  20. 1.562 km SE of Ugashik, Alaska · 1883 days ago · 12 km deep · 96 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021am8n41f. Read Thu, Oct 1, 2026, 2:47 PM UTC.